From OSHA’s summary of the Final Rule:
| Heating, Air-conditioning, & Refrigeration Distributors International (HARDI) asked OSHA to update its Process Safety Management standard (PSM), 29 CFR 1910.119, to reflect this change once this rule is finalized (Document ID 0355, p. 2). HARDI’s comment is out of scope for this rulemaking, which pertains solely to updating the HCS. However, OSHA notes, as stated above, that both subdivisions of Category 1 flammable gases (1A and 1B) remain Category 1 flammable gases and therefore are covered by the PSM Standard. |
I am still convinced that this new HAZCOM Rule and the dividing of Cat 1 flammable gases will lead to a revision of the PSM standard, making only Cat 1A’s PSM flammable gases and will NOT include the Cat 1 B’s which are the flammable (i.e. “green”) refrigerants. I think this will happen when OSHA gets around to revising the PSM standard later this year or in 2025.